Adjustable smoke exhaust valve

Abstract

The utility model discloses an adjustable smoke exhaust valve which comprises a smoke exhaust valve assembly, and the smoke exhaust valve assembly comprises a smoke exhaust valve pipeline and a connecting plate arranged on the side face of the smoke exhaust valve pipeline. The adjusting assembly comprises a rectangular frame connected with the connecting plate, a rectangular notch formed in a side frame of the smoke exhaust valve pipeline, a spring connected with the rectangular frame, an L-shaped guide rod fixed to the top face of the rectangular frame, and a guide groove communicated with the rectangular notch. The smoke exhaust valve assembly and the adjusting assembly are matched with each other, so that during use, the length can be adjusted by pulling the connecting plate without screwing a multi-point-position bolt, hovering and limiting can be carried out on a required adjusting gear, a special tool is not needed, the use is flexible, and during disassembly, the smoke exhaust valve assembly and the adjusting assembly are convenient to disassemble. When the limiting rod is pulled away, the smoke exhaust valve automatically recovers to the original size, and the smoke exhaust valve is convenient for workers to mount and dismount while the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust valves, in particular to an adjustable smoke exhaust valve. Background Art

[0002] A smoke exhaust valve is a kind of valve installed at the end (smoke suction inlet) of each branch pipe of a mechanical smoke exhaust system. The smoke exhaust valve is usually in a closed state and is opened manually or electrically during a fire for smoke exhaust. This kind of valve is designed to ensure that during a fire, smoke can be quickly and effectively exhausted, thereby protecting the safety of people in the building and reducing property losses. In order to meet applicability, the smoke exhaust valves in the prior art can generally be adjusted structurally. However, when the existing adjustment structure is used, the user needs to measure the dimensions in advance and then lock and position the bolts at multiple points. In this way, during adjustment, the speed is slow, resulting in low adjustment and installation efficiency of the smoke exhaust valve, and it is very likely that one person cannot complete the adjustment. Summary of the Utility Model

[0003] Therefore, the purpose of the utility model is to provide an adjustable smoke exhaust valve. Through the mutual cooperation of the set smoke exhaust valve assembly and the adjustment assembly, when in use, it is not necessary to turn the bolts at multiple points. The length can be adjusted by pulling the connecting plate, and it can hover and be limited at the required adjustment gear without using special tools. In this way, the use is relatively flexible, and during disassembly, when the limiting rod is pulled out, the smoke exhaust valve automatically returns to its original size, which is convenient for the staff to install and disassemble while improving the applicability.

[0004] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided: an adjustable smoke exhaust valve, comprising:

[0005] A smoke exhaust valve assembly, the smoke exhaust valve assembly includes a set smoke exhaust valve pipe, a valve plate arranged inside the smoke exhaust valve pipe, a smoke exhaust valve actuator arranged on the side wall of the smoke exhaust valve pipe, and a connecting plate arranged on the side of the smoke exhaust valve pipe;

[0006] An adjustment assembly, the adjustment assembly includes a rectangular frame connected to the connecting plate, a rectangular notch opened on the side frame of the smoke exhaust valve pipe, a spring connecting the rectangular frame, an L-shaped guide rod fixed on the top surface of the rectangular frame, a guide groove communicated with the rectangular notch, a first hole opened on the surface of the L-shaped guide rod, a second hole opened on the surface of the smoke exhaust valve pipe, a limiting rod arranged above the L-shaped guide rod, and a baffle fixed on the top surface of the limiting rod.

[0007] As a preferred scheme of the adjustable smoke exhaust valve of the utility model, wherein, a plurality of the first holes and the second holes are provided, and the plurality of the first holes and the second holes are equally spaced.

[0008] As a preferred embodiment of the adjustable smoke exhaust valve of the present utility model, the rectangular frame and the rectangular notch are sleeved with each other, and the L-shaped guide rod slides along the guide groove.

[0009] As a preferred embodiment of the adjustable smoke exhaust valve of the present utility model, there are two L-shaped guide rods and guide grooves, and the two L-shaped guide rods and guide grooves are symmetrically arranged at the midline position of the smoke exhaust valve pipeline.

[0010] As a preferred embodiment of the adjustable smoke exhaust valve of the present utility model, it further includes a locking and anti-disengagement component, and the locking and anti-disengagement component includes protruding rods fixed on both sides of the limiting rod, a first rectangular hole communicating with the first hole position, and a second rectangular hole communicating with the second hole position.

[0011] As a preferred embodiment of the adjustable smoke exhaust valve of the present utility model, the protruding rod sequentially passes through the corresponding first rectangular hole and the second rectangular hole.

[0012] Compared with the prior art, the advantages of the present utility model are as follows:

[0013] Through the mutual cooperation of the smoke exhaust valve component and the adjustment component provided, when in use, there is no need to turn multiple bolts. By pulling the connecting plate, the length can be adjusted, and it can be suspended and limited at the required adjustment position without using special tools. In this way, the use is relatively flexible. And when disassembling, after pulling out the limiting rod, the smoke exhaust valve automatically returns to its original size, which is convenient for the staff to install and disassemble while improving the applicability.

[0014] By setting the locking and anti-disengagement component to position and lock the limiting rod, it only needs to be rotated half a turn for dislocation to be positioned, with convenient operation and easy use. Compared with thread locking, the speed is faster.

[0015] During specific use, the rectangular frame and the rectangular notch are sleeved. When it is necessary to adjust the overall length of the smoke exhaust valve pipeline for adaptation, the user pulls the connecting plate outward. The connecting plate drives the rectangular frame to move in the rectangular notch. At this time, the spring is stretched, and the L-shaped guide rod slides along the guide groove. When moving to the required position, the user inserts the limiting rod into the corresponding first hole position and the second hole position, so that the rectangular frame can be limited without using special tools for tightening. During the disassembly process, after the user pulls out the limiting rod at the corresponding position, the spring restores its deformation and directly drives the connecting plate to return to its original position without manual adjustment to restore the original position, which is convenient and flexible to use. Description of the Drawings

[0016] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0017] Figure 1 is the structural diagram of the present utility model;

[0018] Figure 2 is the structural diagram of the adjustment component of the present utility model;

[0019] Figure 3 is the structural diagram of the locking and anti - detachment component of the present utility model.

[0020] In the figure: 11, smoke exhaust valve pipeline; 12, valve plate; 13, smoke exhaust valve actuator; 14, connecting plate; 21, rectangular frame; 22, rectangular notch; 23, spring; 24, L - shaped guide rod; 25, guide groove; 26, first hole position; 27, second hole position; 28, limiting rod; 29, baffle; 31, protruding rod; 32, first rectangular hole; 33, second rectangular hole. Specific embodiments

[0021] To make the above - mentioned objects, features, and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

[0022] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0023] Secondly, the present utility model is described in detail in combination with schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of explanation, the cross - sectional views showing the device structure will be enlarged locally in a non - general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present utility model herein. In addition, in actual production, three - dimensional spatial dimensions including length, width, and depth should be included.

[0024] To make the purpose, technical solutions, and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model provides an adjustable smoke exhaust valve. Through the mutual cooperation of the arranged smoke exhaust valve assembly and the adjusting assembly, when in use, it is not necessary to screw bolts at multiple positions. By pulling the connecting plate, the length can be adjusted, and it can hover and be limited at the required adjustment position without using special tools. In this way, the use is relatively flexible. And during disassembly, when the limiting rod is pulled out, the smoke exhaust valve automatically returns to its original size, which is convenient for the staff to install and disassemble while improving the applicability.

[0026] Figures 1-3 Shown is a schematic diagram of the overall structure of an embodiment of the adjustable smoke exhaust valve of the utility model. Please refer to Figures 1-3 This embodiment mainly includes: a smoke exhaust valve assembly and an adjusting assembly.

[0027] The smoke exhaust valve assembly is used in cooperation with the adjusting assembly. Specifically, the smoke exhaust valve assembly includes a provided smoke exhaust valve pipe 11, a valve plate 12 arranged inside the smoke exhaust valve pipe 11, a smoke exhaust valve actuator 13 arranged on the side wall of the smoke exhaust valve pipe 11, and a connecting plate 14 arranged on the side of the smoke exhaust valve pipe 11;

[0028] During specific use, the adjusting assembly is installed and used based on the smoke exhaust valve pipe 11 to achieve a flexible adjustment effect.

[0029] The adjusting assembly is used for flexible use without using special tools for multi-point disassembly and assembly. Specifically, the adjusting assembly includes a rectangular frame 21 connected to the connecting plate 14, a rectangular notch 22 opened on the side border of the smoke exhaust valve pipe 11, a spring 23 connecting the rectangular frame 21, an L-shaped guide rod 24 fixed on the top surface of the rectangular frame 21, a guide groove 25 communicated with the rectangular notch 22, a first hole 26 opened on the surface of the L-shaped guide rod 24, a second hole 27 opened on the surface of the smoke exhaust valve pipe 11, a limiting rod 28 arranged above the L-shaped guide rod 24, and a baffle 29 fixed on the top surface of the limiting rod 28;

[0030] During specific use, the rectangular frame 21 is sleeved with the rectangular notch 22. When it is necessary to adjust the overall length of the smoke exhaust valve pipe 11 for adaptation, the user pulls the connecting plate 14 outwards. The connecting plate 14 drives the rectangular frame 21 to move in the rectangular notch 22. At this time, the spring 23 is stretched, and the L-shaped guide rod 24 slides along the guide groove 25. When moving to the required position, the user inserts the limiting rod 28 into the corresponding first hole 26 and second hole 27, so that the rectangular frame 21 can be limited without using special tools to tighten. During the disassembly process, after the user pulls out the limiting rod 28 at the corresponding position, the spring 23 restores its deformation and directly drives the connecting plate 14 to return to its original position without manual adjustment to restore the original position, which is convenient and flexible to use.

[0031] Further, through the provided locking and anti - detachment component, the positioning rod 28 is positioned and locked. Only half a turn of rotation for dislocation can achieve positioning, with convenient operation and easy to use. Compared with thread locking, the speed is faster;

[0032] Specifically, it further includes a locking and anti - detachment component. The locking and anti - detachment component includes protruding rods 31 fixed on both sides of the positioning rod 28, a first rectangular hole 32 communicating with the first hole 26, and a second rectangular hole 33 communicating with the second hole 27. The protruding rod 31 sequentially penetrates through the corresponding first rectangular hole 32 and the second rectangular hole 33;

[0033] During specific use, the protruding rod 31 penetrates through the corresponding first rectangular hole 32 and the second rectangular hole 33. After penetration, the user rotates the baffle 29. At this time, the protruding rod 31 is dislocated from the corresponding first rectangular hole 32 and the second rectangular hole 33, thus completing the locking, which is convenient for operation.

[0034] Although the present invention has been described above with reference to the embodiments, however, various improvements can be made to it and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present invention can be combined with each other in any way. The non - exhaustive description of these combinations in this specification is only for the consideration of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. An adjustable smoke exhaust valve, characterized in that, Comprising: A smoke exhaust valve assembly, the smoke exhaust valve assembly includes a provided smoke exhaust valve pipe (11), a valve plate (12) arranged inside the smoke exhaust valve pipe (11), a smoke exhaust valve actuator (13) arranged on the side wall of the smoke exhaust valve pipe (11), and a connecting plate (14) arranged on the side of the smoke exhaust valve pipe (11); An adjusting assembly, the adjusting assembly includes a rectangular frame (21) connected to the connecting plate (14), a rectangular notch (22) opened on the side frame of the smoke exhaust valve pipe (11), a spring (23) connecting the rectangular frame (21), an L-shaped guide rod (24) fixed on the top surface of the rectangular frame (21), a guide groove (25) communicating with the rectangular notch (22), a first hole position (26) opened on the surface of the L-shaped guide rod (24), a second hole position (27) opened on the surface of the smoke exhaust valve pipe (11), a limiting rod (28) arranged above the L-shaped guide rod (24), and a baffle (29) fixed on the top surface of the limiting rod (28).

2. The adjustable smoke exhaust valve according to claim 1, wherein, There are a number of the first hole positions (26) and the second hole positions (27), and the number of the first hole positions (26) and the second hole positions (27) are equally spaced.

3. The adjustable smoke exhaust valve according to claim 2, wherein, The rectangular frame (21) and the rectangular notch (22) are sleeved with each other, and the L-shaped guide rod (24) slides along the guide groove (25).

4. The adjustable smoke exhaust valve according to claim 3, wherein, There are two of the L-shaped guide rod (24) and the guide groove (25), and the two L-shaped guide rods (24) and the guide grooves (25) are symmetrically arranged at the midline position of the smoke exhaust valve pipe (11).

5. The adjustable smoke exhaust valve according to claim 4, characterized in that, It further includes a locking and anti-disengagement assembly, the locking and anti-disengagement assembly includes protruding rods (31) fixed on both sides of the limiting rod (28), a first rectangular hole (32) communicating with the first hole position (26), and a second rectangular hole (33) communicating with the second hole position (27).

6. The adjustable smoke exhaust valve according to claim 5, wherein: The protruding rod (31) sequentially penetrates through the corresponding first rectangular hole (32) and the second rectangular hole (33).

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